prometheus-net by: andrasm qed- lakario sandersaares

.NET client library for the Prometheus monitoring and alerting system

protobuf-net by: Marc Gravell

Provides simple access to fast and efficient "Protocol Buffers" serialization from .NET applications

QRCoder by: Raffael Herrmann Shane Krueger

QRCoder is a simple library, written in C#.NET, which enables you to create QR codes.

protobuf-net.Core by: Marc Gravell

The protobuf-net serialization engine and build-time tooling; most projects should reference protobuf-net, which adds the runtime type model

postgrest-csharp by: Joseph Schultz <joseph@acupofjose.com>

Postgrest-csharp is written primarily as a helper library for supabase/supabase-csharp, however, it should be easy enough to use outside of the supabase ecosystem. The bulk of this library is a translation and c-sharp-ification of the supabase/postgrest-js library.

QuestPDF by: MarcinZiabek

QuestPDF is a modern PDF generation library for C# and .NET. Create invoices, reports, and data exports — a code-first alternative to HTML-to-PDF conversion. Merge and edit documents, generate PDF/A and accessible PDF/UA files, embed ZUGFeRD and Factur-X invoice XML. Source-available with a free Community license.

Quartz.Serialization.Json by: Marko Lahma Quartz.NET

Renamed to Quartz.Serialization.Newtonsoft in 4.0. This package is empty and exists only so a grouped dependency update can move to 4.x - reference Quartz.Serialization.Newtonsoft instead, and see the migration guide.

Quartz.Extensions.DependencyInjection by: Marko Lahma Quartz.NET

Folded into Quartz in 4.0: AddQuartz, QuartzOptions and the rest live in the Quartz package now. This package is empty and exists only so a grouped dependency update can move to 4.x - remove the reference, and see the migration guide.

PuppeteerSharp by: Darío Kondratiuk

Headless Browser .NET API

Pragmastat by: Andrey Akinshin

Pragmatic Statistical Toolkit

PtgPdfCore.runtime.android by: patagames.com

Runtime native library assets for the Pdfium.Net SDK package (id:pdfium.net.sdk) - android-x64, android-x86, android-arm, android-arm64.

QueryDesigner by: Vladislav Zhukov

QueryDesigner provides way of creating complex IQueryable filtering based on dynamic expression trees.

Quartz by: Marko Lahma Quartz.NET

Quartz Scheduling Framework for .NET

Quartz.Extensions.Hosting by: Marko Lahma Quartz.NET

Folded into Quartz in 4.0: AddQuartzHostedService, QuartzHostedService and QuartzHostedServiceOptions live in the Quartz package now. This package is empty and exists only so a grouped dependency update can move to 4.x - remove the reference, and see the migration guide.

QRCoder-ImageSharp by: Raffael Herrmann Joerg Plenert

QRCoder is a simple library, written in C#.NET, which enables you to create QR codes. Based on ImageSharp to provide plattform independency.

PtgPdfCore.runtime.win by: patagames.com

Runtime native library assets for the Pdfium.Net SDK package (id:pdfium.net.sdk) - win-x64, win-x86.

PtgPdfCore.runtime.linux-musl by: patagames.com

Runtime native library assets for the Pdfium.Net SDK package (id:pdfium.net.sdk) - linux-musl-x64, linux-musl-x86, linux-musl-arm, linux-musl-arm64.

PtgPdfCore.runtime.osx by: patagames.com

Runtime native library assets for the Pdfium.Net SDK package (id:pdfium.net.sdk) - universal binary x86_64, arm64.

PtgPdfCore.runtime.linux by: patagames.com

Runtime native library assets for the Pdfium.Net SDK package (id:pdfium.net.sdk) - linux-x64, linux-x86, linux-arm, linux-arm64.

QRCoder.Core by: Afonso Dutra Nogueira Filho

QRCoder.Core, written in C#.NET, which enables you to create QR codes.